#define _CRT_SECURE_NO_WARNINGS 1

#include<iostream>
#include<cstring>
using namespace std;
#define example(instr) printf("the input string is: %s\n", #instr)
#define exampleNum(n,m) num ## n ## m

#define STRCPY(a,b) strcpy(a##_s,#b)

void function()
{
	static int a = 10;
	a++;
	printf("a = %d\n", a);
}


int main()
{
	/*example(abc);
	int num11 = 110;
	int num = examplenum(1,1);
	printf("%d\n", num);*/
	function();
	char str1_s[20];
	char str2_s[20];
	strcpy(str1_s, "aaaa");
	strcpy(str2_s, "bbbb");
	STRCPY(str1, str1);
	STRCPY(str2, str2);
	printf("str1_s:%s\n", str1_s);
	printf("str2_s:%s\n", str2_s);
	function();
	function();
	return 0;
}